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    <title>What are some of the framework's best features</title>
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        <div style="margin: 0px 10px 8px 10px"  class="pagetitle">What are some of the framework's best features</div>

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<p>Key features of the framework include: </p>

<h3 id="Whataresomeoftheframework'sbestfeatures-Core">Core </h3>
<ul><li>Pluggable framework <a shape="rect" class="createlink" href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=WW&amp;title=architecture&amp;linkCreation=true&amp;fromPageId=13921">architecture</a> that allows request lifecycles to be customized for each action.</li><li>Flexible <a shape="rect" href="validation.html">validation</a> framework that allows validation rules to be decoupled from action code.</li><li>Hierarchical approach to <a shape="rect" class="createlink" href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=WW&amp;title=internationalization&amp;linkCreation=true&amp;fromPageId=13921">internationalization</a> that simplifies localizing applications.</li><li>Automatic <a shape="rect" href="type-conversion.html">type conversion</a> that transparently maps values from HTTP to native Java data objects, solving one of the most tedious efforts when creating web applications.</li><li>Integrated <a shape="rect" href="dependency-injection.html">dependency injection</a> engine that manages component lifecycle and dependencies.</li><li>Modular <a shape="rect" href="configuration-files.html">configuration files</a> that use packages and namespaces to simplify managing large projects with hundreds of actions.</li><li><a shape="rect" class="createlink" href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=WW&amp;title=J2SE+5+Support&amp;linkCreation=true&amp;fromPageId=13921">Java 5 annotations</a> that reduce configuration overhead. (Java 1.4 is the minimum platform.)</li></ul>


<h3 id="Whataresomeoftheframework'sbestfeatures-View">View </h3>
<ul><li>Reusable user interface <a shape="rect" class="createlink" href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=WW&amp;title=tags&amp;linkCreation=true&amp;fromPageId=13921">tags</a> that allow for easy component-oriented development using <a shape="rect" href="themes-and-templates.html">themes and templates</a>. Bundled tags ranges from simple text fields to advanced tags like date pickers and tree views.</li><li>JSTL-compatible expression language (<a shape="rect" href="ognl.html">OGNL</a>) that exposes properties on multiple objects as if they were a single JavaBean.</li><li>Pluggable <a shape="rect" href="result-types.html">Result Types</a> that support multiple view technologies, including <a shape="rect" href="jsp.html">JSP</a>, <a shape="rect" href="freemarker.html">FreeMarker</a>, <a shape="rect" href="velocity.html">Velocity</a>, PDF, and <a shape="rect" href="jasperreports-tutorial.html">JasperReports</a>.</li><li>Optional <a shape="rect" href="ajax-theme.html">AJAX theme</a> that simplifes creating <a shape="rect" class="external-link" href="http://en.wikipedia.org/wiki/AJAX" rel="nofollow">interactive web applications</a>.</li><li>Optional <a shape="rect" href="interceptors.html">Interceptor</a> plugins that can execute long-running queries in the background, prevent multiple form submissions, or handle custom security schemes.</li></ul>


<h3 id="Whataresomeoftheframework'sbestfeatures-Other">Other</h3>
<ul><li>Easy integration with other popular products, including <a shape="rect" class="createlink" href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=WW&amp;title=Hibernate&amp;linkCreation=true&amp;fromPageId=13921">Hibernate</a>, <a shape="rect" class="createlink" href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=WW&amp;title=Spring&amp;linkCreation=true&amp;fromPageId=13921">Spring</a>, <a shape="rect" class="createlink" href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=WW&amp;title=SiteMesh&amp;linkCreation=true&amp;fromPageId=13921">SiteMesh</a>, and <a shape="rect" class="createlink" href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=WW&amp;title=JSTL&amp;linkCreation=true&amp;fromPageId=13921">JSTL</a>.</li><li>Distributed under the business-friendly <a shape="rect" class="external-link" href="http://apache.org/licenses/LICENSE-2.0">Apache License 2.0</a>.</li></ul></div>
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